The sheath can also be purchased individually too above

Bunny Brand Hori Hori (Carbon Steel Version) Longer Handle with Sheath:

An all-purpose digging knife used for digging, transplanting, weeding and cutting. The carbon-steel blade is strong and can deal with heavy-duty digging, especially in clay soils. One side is serrated to make cutting weeds and small branches easier. It comes with longer handle which gives it an extra leverage. It comes with a sheath. The sheath can be purchased individually too.